Evaluation systems, power supplies, Level control relay, Housing for DIN rail mounting, Nominal voltage: 110...240 V AC / 27 (24) V DC, relay (1 changeover contact), transistor output (pnp switching, external supply), Unit: 4-pole terminal strips, pin separation 5.0 mm connector: 4 poles with screw connection, Input delay: 0...10 s, Housing material: plastics PC GF20